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Johann Dobereiner notices atomic weight of strontium was halfway between calcium and barium. (14 h 22 m, 14 ene 1817 año – 0 h 57 m, 20 ene 1818 año)

Descripción:

Elements also had similar chemical properties

Añadido al timeline:

History of the Periodic Table

BySonya Callendar

26 dic 2017

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0

684

fecha:

14 h 22 m, 14 ene 1817 año

0 h 57 m, 20 ene 1818 año

~ 1 years

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